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Ozone is a powerful oxidizing agent used to bleach chemical and mechanical pulp. Ozone is used as an alternative to chlorine or chlorine dioxide to remove lignin from wood pulp . It is often used in conjunction with oxygen and hydrogen peroxide to completely eliminate the need for chlorine-containing compounds in the manufacture of high-quality, white paper.

 

Ozone strongly absorbs at wavelenghts below 400nm (UV) that the Kemtrak DCP007 can easily measure. The Kemtrak DCP007 uses a reference wavelength to compensate for turbidity and/or fouling of the optical windows providing accurate measurements with low drift and long-term calibration stability.